package com.fancy.projecty.controller;

import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/demo")
public class DemoController {

	@Autowired
	/*管理流程定义*/
	private RepositoryService repositoryService;
	@Autowired
	/*执行管理、包括启动、推进、删除流程实例等操作*/
	private RuntimeService runtimeService;
	@Autowired
	/*任务管理*/
	private TaskService taskService;

	@RequestMapping("/firstDemo")
	public Map firstDemo() {
		Map result = new HashMap();
		//根据bpmn文件部署流程
		Deployment deployment = repositoryService.createDeployment().addClasspathResource("diagram/demo.bpmn").deploy();
		//获取流程定义
		ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery().deploymentId(deployment.getId()).singleResult();
		//启动流程定义，返回流程实例
		ProcessInstance pi = runtimeService.startProcessInstanceById(processDefinition.getId());
		String processId = pi.getId();
		System.out.println("流程创建成功，当前流程实例ID：" + processId);
		result.put("流程创建成功，当前流程实例ID", processId);

		Task task = taskService.createTaskQuery().processInstanceId(processId).singleResult();
		System.out.println("第一次执行前，任务名称：" + task.getName());
		result.put("第一次执行前，任务名称", task.getName());
		taskService.complete(task.getId());

		task = taskService.createTaskQuery().processInstanceId(processId).singleResult();
		System.out.println("第二次执行前，任务名称：" + task.getName());
		result.put("第二次执行前，任务名称", task.getName());
		taskService.complete(task.getId());

		task = taskService.createTaskQuery().processInstanceId(processId).singleResult();
		System.out.println("任务执行完毕，流程实例ID：" + processId);
		result.put("任务执行完毕，流程实例ID", processId);
		result.put("任务执行完毕，部署ID", deployment.getId());
		return result;
	}
}
